/* eslint-disable */
require('script-loader!file-saver');

// require('script-loader!./Blob');
const { blob } = require('./Blob')
// require('script-loader!xlsx/dist/xlsx.core.min');
require('script-loader!xlsx-style/dist/xlsx.core.min')
function generateArray(table) {
    var out = [];
    var rows = table.querySelectorAll('tr');
    var ranges = [];
    for (var R = 0; R < rows.length; ++R) {
        var outRow = [];
        var row = rows[R];
        var columns = row.querySelectorAll('td');
        for (var C = 0; C < columns.length; ++C) {
            var cell = columns[C];
            var colspan = cell.getAttribute('colspan');
            var rowspan = cell.getAttribute('rowspan');
            var cellValue = cell.innerText;
            if (cellValue !== "" && cellValue == +cellValue) cellValue = +cellValue;

            //Skip ranges
            ranges.forEach(function (range) {
                if (R >= range.s.r && R <= range.e.r && outRow.length >= range.s.c && outRow.length <= range.e.c) {
                    for (var i = 0; i <= range.e.c - range.s.c; ++i) outRow.push(null);
                }
            });

            //Handle Row Span
            if (rowspan || colspan) {
                rowspan = rowspan || 1;
                colspan = colspan || 1;
                ranges.push({ s: { r: R, c: outRow.length }, e: { r: R + rowspan - 1, c: outRow.length + colspan - 1 } });
            }
            ;

            //Handle Value
            outRow.push(cellValue !== "" ? cellValue : null);

            //Handle Colspan
            if (colspan) for (var k = 0; k < colspan - 1; ++k) outRow.push(null);
        }
        out.push(outRow);
    }
    return [out, ranges];
};

function datenum(v, date1904) {
    if (date1904) v += 1462;
    var epoch = Date.parse(v);
    return (epoch - new Date(Date.UTC(1899, 11, 30))) / (24 * 60 * 60 * 1000);
}

function sheet_from_array_of_arrays(data, opts) {
    var ws = {};
    var range = { s: { c: 10000000, r: 10000000 }, e: { c: 0, r: 0 } };
    for (var R = 0; R != data.length; ++R) {
        for (var C = 0; C != data[R].length; ++C) {
            if (range.s.r > R) range.s.r = R;
            if (range.s.c > C) range.s.c = C;
            if (range.e.r < R) range.e.r = R;
            if (range.e.c < C) range.e.c = C;
            var cell = { v: data[R][C] };
            if((cell.v == null)||(cell.v == undefined)||(cell.v == "")){
                console.log("空！");
                cell.v = "";
                // cell.s = {
                //     border: {
                //         top: { style: 'thin' },
                //         bottom: { style: 'thin' },
                //         left: { style: 'thin' },
                //         right: { style: 'thin' }
                //     },
                //     alignment: { horizontal: "center", vertical: "center", wrap_text: true },
                // }
                // ws[cell_ref] = cell;
                // continue;
            }
            var cell_ref = XLSX.utils.encode_cell({ c: C, r: R });

            if (typeof cell.v === 'number') cell.t = 'n';
            else if (typeof cell.v === 'boolean') cell.t = 'b';
            else if (cell.v instanceof Date) {
                cell.t = 'n';
                cell.z = XLSX.SSF._table[14];
                cell.v = datenum(cell.v);
            }
            else cell.t = 's';
            cell.s = {
                border: {
                    top: { style: 'thin' },
                    bottom: { style: 'thin' },
                    left: { style: 'thin' },
                    right: { style: 'thin' }
                },
                alignment: { horizontal: "center", vertical: "center", wrap_text: true },
            }
            ws[cell_ref] = cell;
        }
    }
    if (range.s.c < 10000000) ws['!ref'] = XLSX.utils.encode_range(range);
    return ws;
}

function Workbook() {
    if (!(this instanceof Workbook)) return new Workbook();
    this.SheetNames = [];
    this.Sheets = {};
}

function s2ab(s) {
    var buf = new ArrayBuffer(s.length);
    var view = new Uint8Array(buf);
    for (var i = 0; i != s.length; ++i) view[i] = s.charCodeAt(i) & 0xFF;
    return buf;
}

export function export_table_to_excel(id) {
    var theTable = document.getElementById(id);
    console.log('a')
    var oo = generateArray(theTable);
    var ranges = oo[1];

    /* original data */
    var data = oo[0];
    var ws_name = "SheetJS";
    console.log(data);

    var wb = new Workbook(), ws = sheet_from_array_of_arrays(data);

    /* add ranges to worksheet */
    // ws['!cols'] = ['apple', 'banan'];
    ws['!merges'] = ranges;

    /* add worksheet to workbook */
    wb.SheetNames.push(ws_name);
    wb.Sheets[ws_name] = ws;

    var wbout = XLSX.write(wb, { bookType: 'xlsx', bookSST: false, type: 'binary' });

    saveAs(new Blob([s2ab(wbout)], { type: "application/octet-stream" }), "test.xlsx")
}

function formatJson(jsonData) {
    console.log(jsonData)
}
export function export_json_to_excel(th, jsonData, defaultTitle,th2,jsonData2,defaultTitle2) {
    var data = jsonData;
    data.unshift(th);
    var ws_name = "申请单";

    var wb = new Workbook(), ws = sheet_from_array_of_arrays(data);
    
    ws["!cols"] = [
        { wch: 30 },
        { wch: 28 },
        { wch: 24 },
        { wch: 36 },
        { wch: 24 },
        { wch: 36 },
        { wch: 20 },
        { wch: 20 },
        { wch: 28 },
        { wch: 24 },
        { wch: 24 },
        { wch: 24 },
        { wch: 20 },
        { wch: 20 },
        { wch: 20 },
        { wch: 28 },
        { wch: 24 },
        { wch: 24 },
        { wch: 24 },
        { wch: 20 },
        { wch: 20 },
        { wch: 20 },
        { wch: 28 },
        { wch: 24 },
        { wch: 24 },
        { wch: 24 },
        { wch: 20 },
        { wch: 20 },
        { wch: 20 },
        { wch: 28 },
        { wch: 24 },
        { wch: 24 },
        { wch: 24 },
        { wch: 20 },
        { wch: 20 },
        { wch: 20 },
    ]
    ws["!rows"] = [{hpt: 150}];
    wb.SheetNames.push(ws_name);
    wb.Sheets[ws_name] = ws;

    var data2 = jsonData2;
    data2.unshift(th2);
    var ws_name2 = "订单明细";

    var ws2 = sheet_from_array_of_arrays(data2);
    
    ws2["!cols"] = [
        { wch: 30 },
        { wch: 28 },
        { wch: 24 },
        { wch: 24 },
        { wch: 24 },
        { wch: 20 },
        { wch: 20 },
        { wch: 28 },
        { wch: 24 },
        { wch: 24 },
        { wch: 24 },
        { wch: 20 },
        { wch: 20 },
        { wch: 20 },
        { wch: 28 },
        { wch: 24 },
        { wch: 24 },
        { wch: 24 },
        { wch: 20 },
        { wch: 20 },
        { wch: 20 },
        { wch: 28 },
        { wch: 24 },
        { wch: 24 },
        { wch: 24 },
        { wch: 20 },
        { wch: 20 },
        { wch: 20 },
        { wch: 28 },
        { wch: 24 },
        { wch: 24 },
        { wch: 24 },
        { wch: 20 },
        { wch: 20 },
        { wch: 20 },
    ]
    ws2["!rows"] = [{hpt: 150}];
    wb.SheetNames.push(ws_name2);
    wb.Sheets[ws_name2] = ws2;



    var wbout = XLSX.write(wb, { bookType: 'xlsx', bookSST: false, type: 'binary' });
    var title = defaultTitle || '列表'
    saveAs(new Blob([s2ab(wbout)], { type: "application/octet-stream" }), title + ".xlsx")
}
